1140307949 has 8 divisors (see below), whose sum is σ = 1274313600. Its totient is φ = 1011359200.

The previous prime is 1140307943. The next prime is 1140307967. The reversal of 1140307949 is 9497030411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140307949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140307943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263749 + ... + 1264650.

It is an arithmetic number, because the mean of its divisors is an integer number (159289200).

Almost surely, 2^1140307949 is an apocalyptic number.

It is an amenable number.

1140307949 is a deficient number, since it is larger than the sum of its proper divisors (134005651).

1140307949 is a wasteful number, since it uses less digits than its factorization.

1140307949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528451.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1140307949 is about 33768.4460554524. The cubic root of 1140307949 is about 1044.7379818195.

The spelling of 1140307949 in words is "one billion, one hundred forty million, three hundred seven thousand, nine hundred forty-nine".